According to the data of the Meteorological Bureau, 2020 is the eighth warmest year since 195 1. What other years have higher temperatures?

In China, the temperature is high, the precipitation is high, and the climate is biased. The biggest flood occurred in the Yangtze River basin since 1998, and the rainstorm and flood disaster are serious. The meteorological drought is generally light, but the regional stage characteristics are obvious, and the drought in autumn and winter in South China is heavier. The high temperature in the south appears early and lasts for a long time; There are few landing typhoons, but the landing location and influence time are concentrated; The influence of cold air is wide, and the local temperature drop is large. Compared with the average in recent ten years, the direct economic losses caused by meteorological disasters are more.

In 2020, the national annual average temperature 10.25℃ is 0.7℃ higher than normal (198 1-20 10), making it the eighth warmest year since 195 1. Among them, the average annual temperature in Jiangxi, Zhejiang, Guangdong and Fujian provinces reached a new high since 196 1. On May1-May 9, the earliest high temperature process occurred in central and eastern China since May 196 1, 49 days earlier than normal. From July 1 1 to September 3, a continuous high temperature weather process occurred in southeastern Jiangnan and eastern South China, lasting for 196 1 year, the second longest in history.

In 2020, the national average precipitation was 695 mm, which was 10.3% higher than normal, and was the fourth highest since 195 1. Among the six regions, the precipitation in Northeast China, the middle and lower reaches of the Yangtze River, North China, Southwest China and Northwest China is more than that in South China. Among the seven major river basins, the Songhua River, Huaihe River, Yangtze River, Yellow River, Liaohe River and Haihe River have more precipitation, while the Pearl River Basin has a little less. Among them, Songhua River Basin and Yangtze River Basin are the most since 196 1. In 2020, there were 37 regional rainstorm processes, and the number of rainstorm days was 24. 1% more than normal, which was the second most since 196 1 (second only to 20 16). The biggest flood in the Yangtze River basin since 1998. In summer, the precipitation in the Yangtze River basin and the Yellow River basin is the highest since 196 1, and the Huaihe River basin and Taihu Lake basin are the second highest in the same period in history.

In 2020, China entered the rainfall concentration period on March 25th, 12 days earlier than normal; May 29th, May 29th, August 2nd, May 29th, May 29th, August 29th, May 29th, August 29th, August 29th, August 29th, August 29th, August 29th, August 29th, August 29th, August 29th, August 29th, August 29th. August 29th, August 29th, August 29th, August 29th, August 29th, August 29th The rainy season in North China, the rainy season in Northeast China and the autumn rain in West China all started late and ended late, with heavy rainfall.

In 2020, the regional and staged characteristics of meteorological drought in China are obvious. In mid-April, there was a staged drought in many places north of the Yangtze River in Zhixia in the early days; Meteorological drought occurred in parts of southwest China in spring and summer; Northeast China and South China suffered from severe summer drought; Meteorological drought occurred in South China and Jiangnan in autumn and winter, which brought adverse effects on agricultural production and reservoir storage in some areas of Zhejiang, Fujian, Guangdong and Jiangxi.

In 2020, there will be 23 typhoons in the Pacific Northwest and the South China Sea, five of which will land in China, and the number of typhoons and landings are relatively small. July is the first time since 1949? Empty station? ; From late August to early September, the northeast was hit by a rare triple attack of typhoon within half a month, which was the first time since 1949.

In 2020, the cold air that will affect our country will have a wide range of influence, and the local temperature drop will be large. 165438+1October, heavy rain and snow hit the northeast, and the daily cooling rate in 9 counties and cities exceeded the historical extreme value, and the railway was shut down in a large area. From June to February, 5438, a large-scale rain and snow cooling process occurred in the central and eastern regions, and the area where the cooling range exceeded 12℃ was1184,000 square kilometers.

In the spring of 2020, the number of sandstorm weather processes in northern China (7 times) was less than that in the same period of normal years 10 times. The average number of dusty days (2.6 days) is 2.4 days less than the same period of normal years.